The story tells the adventures of the boy, 21 emon, engaged in the management of a hotel belonging to his family for years. In his problems, 21 emons is helped by the robot Gonsuke and the little alien Monga.
1967
1987
1957
2013
2007
2010
1968
2015
1998
1970
2009
2024
1997
1977
2019
2020